TY - BOOK ED - Computer Assisted Learning TI - Exploring ICT computer systems servicing 1: basic computer concepts and system unit T2 - Exploring ICT series SN - 9789719938217 U1 - 004 PY - 2017/// CY - Quezon City : PB - Computer Assisted Learning Corporation KW - Computer systems service KW - computer maintenance and repeair N1 - "CAL Computer Assisted Learning" --Cover; Adult ER -